Goldman Sachs' upgrade on Shopify's stock rating and the increase in its price target fueled a surge in call options volume.
Shopify's stock rating was raised to buy from neutral, The Fly reported. Goldman noted the company's "significant technology moat" in e-commerce software as it boosted the price target to $74 from $67, according to the report. It cited Goldman's optimism that Shopify's investments will fuel mo...